764126725 has 6 divisors (see below), whose sum is σ = 947517170. Its totient is φ = 611301360.

The previous prime is 764126707. The next prime is 764126749. The reversal of 764126725 is 527621467.

It can be written as a sum of positive squares in 3 ways, for example, as 11282881 + 752843844 = 3359^2 + 27438^2 .

It is not a de Polignac number, because 764126725 - 2¹¹ = 764124677 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 15282510 + ... + 15282559.

Almost surely, 2^764126725 is an apocalyptic number.

It is an amenable number.

764126725 is a deficient number, since it is larger than the sum of its proper divisors (183390445).

764126725 is a wasteful number, since it uses less digits than its factorization.

764126725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30565079 (or 30565074 counting only the distinct ones).

The product of its digits is 141120, while the sum is 40.

The square root of 764126725 is about 27642.8422019155. The cubic root of 764126725 is about 914.2292872018.

The spelling of 764126725 in words is "seven hundred sixty-four million, one hundred twenty-six thousand, seven hundred twenty-five".